Backing for cement-coated walls.



E.' D. 001mm@TONI BAGKING PoR GEMENTUOMED WALLS..

- APPLIOATION FILED JANQ 1a, 191s. v

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E. D. CO'DDINGTON.

BACKING POR CEMENT COTED'WALLS.

APPLICATION FILED JAN. I-a, 1913.

s s'HE'Is-SHBBT 2 Ifo' E. D. GODDINGrI'N.l

4 BAGKING FOR CEMENT COATED WALLS.

APPLICATION FILED JAN, 18,1913.

Patented July 14,1914.

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BACKING Fon CEMENT-COATED wams.

Specificatipn of Letters Patent.

Patented July 14, Tora.

Application led January 18, 1913. Serial No. 742,756.

To all whom it may concern Be it known thatl I, EDWIN D. CoDDING- TON, a citizen of the United States, residing at North Milwaukee, in the county of M1l-' waukee and State of Wisconsin, have invented certain new and useful Improve-1 ments in Backings for Cement-Coated or backing to which the plastic coating will firmly adhere and upon which itwill not 'crack and permit water to'reach and destroy or injurethe underlying supporting structure; which will be sutiiciently rigid, firm and stable and of suitable form and construction Ato receive the plastic coating without temporary bracing"or lfalse work of anykind; which will produce a strong,

Stif,4 durable wall, and which can be completely or mainly prepared in a factory and Y and can be easily applied to a building, and

" of a web if desired, additionally reinforced when so l applied; and generally to facilitate and improvethe construction of walls of this class. It consists in the construction, arrange.-

-ment and combination of parts as hereinafterparticularly described and'pointed out in the claims.. I

In the accompanying drawing like characters designate the same parts in the several gures.

Figure 1 is an outside elevation of parts of two adjoining reinforced backing sheets as constructed and arranged according tothe'present invention, tore'ceive a coating of cement; Fig. 2ris an enlarged vertical cross section of the same on the line 2 2, Fig. l; Fig. 3 is a view on a reduced scale as it is prepared in a factory and par- 1 tially rolled. for storage and transportation;

Fig. 4 is an enlarged face View of'a portion of' a reinforced backing sheet, showing a modification of the metalreinforcement; Fig. 5 is avertical section thereof on tlie line 5-5, Fig. 4; Fig. 6 is a face View on a reduced scale, showing a modified arrange-- ment of the metal reinforcing bands; and Fig. 7 is a similar View showing-another to provide such a foundation stored and' shipped in. rolls',`

or sheet of the reinforced backing.

modification in the arrangement of the transverse reinforcing band-s.

b Heretofore the main objection to an outslde coating of 4cement as ordinarily applied, has been in the difficulty in making the Coating watertight. plied in the usual wayl with a trowel, some reticulated or slatted foundation therefor, such as wood-or metallathing or wire netting, must be used to form a clench for retaining the plastic coating in place as it is spread thereon. It has been found practically impossible with such a reticulated or 'slatted foundation, to prevent the cracking of the plast-ic coating,.particularly opposite the lopenings and joints in the lath or net ting, and thus allowing water or moisture to come in contact with and to ultimately destroy or injure the lat-hing or netting and its supporting framework.

With the reinforced backing constituting the present invention, it has been found-th at a clench is .unnecessary to retain the plastic coating in place, the coating being applied by dashing the cement in a semitluid condition upon the wall in successive thin lay ers. When so applied upon such a backing, the coating will engage therewith and adhere rmly thereto and will not check or crack when the cement sets or hardeus.

Referring to the drawing, and more particularly to Fig. 3, thel backing is made of long flexible webs or sheets a, of some tibrou's material such as building paper or felt, rendered waterproof by being saturated or coated with some suitable material such as coal tar.' These webs or sheets may be made of any desired Width and reinforced on one or both sides with transverse metal strips or bands, with which they are rolled into small compass for convenience in storage and transportation. As shown in Figs. 1, 2 and 3, these metal reinforcingvbands are applied at suitable intervals to opposite sides lof the sheets in pairs. One band (Z, of each pair is formed with prongs or clips c, struck lengthwise therefrom` and forced through the intervening sheet a and slits or apertures in the opposite band b, thereby' securing the bands to each other and to the sheet. On the side of the sheet next to the bands o, through which they protrude, the prongs or clips c are bent, as shown in Fig. 2, to receive and, hold reinforcing wires or rodse, which are placed inposition when the sheets arel spread and applied to awall.

When the coating is apllO yWhen the backing is to be reinforced and coated with cement on bo'tli sides, asl shown in Figs. l and 2, the bands Z are also formed with reversely bentpz ongs-or clips f, for receiving and holding reinforcing wires or rods e o nV that side of the backing.

In applying the backing to a building, the sheets ct, withf the transverse reinforcing bands -b and d attachedthereto, are unrolled .and are usually spread horizontally upon! the Supporting framework to which vtheyare fastened in any suitable `manner by` nails or other means, with the lower edge of. each upper sheet overlapping the upper Vedge'of the sheet next below it on the outer'y side thereof, as shown in' Figs. l and 2. The sections of the backing are. bound together Y 'and further reinforced on either or both als sides, by bending adjacent ends of the bandsI [Land d .around a wire or rod g, parallelf with the Wires or rods e, and to add .strmgth to the wall across the horizontal lapped .5 joints of the backing sheets, auxiliary bandsg L or wires maybe provided between t'hefy mainbands I) and al, and. bent at their'ends around or otherwise fastened to horizontal cement or the like, and the backing may be secured thereto by bending adjacent ends of the bands b over the proximate upturned edges of the channel bars before. they are filled with cement. When the backing has been thus spread and secured upon the sups fibrous and somewhat porting framework of the wall, a coating j,

of cement is applied thereto in the mannerv hereinbefore stated, on each side', the metal channel bar girts 2'-, `when they a're used, be- Iing filled as the coating is applied to the inner side of the wall or backing.

When the material of which the waterproof backing'sheets a is composed issomewhat softl or plastic, it closes around the prongs and other fastenings -passing through it, effectively sealing the openings made thereby against the-,passage of mois' ture, and the surfaces of the sheetsy being porous or rough, the

cement coating will a here firmly thereto.

-When the material of the backing sheets is not suiiiciently soft and plastic to close tightly around the prongs and nails or other fastenings which puncture the sheets, the. openings made thereby are sealed by coating the prongs, nails or other. fastenings "with adhesive cement or paint, which when the prongs, nails or fastenings are forced through the sheets,` will effectively fill or cover and close such openings against the passage of waterl or moisture; lThe metal' reinforcing strips are so arranged vthat the nails or other fastenings used to securethe backing to the framework, will pass through them, thereby reinforcing the .holes madethrough the backing sheets and preventing the fastenings from tearing or mutilating the sheets around such holes, 'so as to permit the passage of water through them to the framework. The-bands being nailed at the ends to the framework, or the bands of adjoining sheets being bent at lthe ends around and connected by a transverse reinforcing wire vor rod g, as shown in Figs.

sov

l and 2, are thus held in tension and prel ventthe bagging ofthe backing when the cement is agplied thereto, andforrn acontinuous rein orcement of the wall in the direction of their length. The prongs or kclips c and f, projecting lnto and.beingembeddedat intervals in the cement coating, further reinforce the coating and the finished wall sus) vertically or in a-direction lengthwise .of

the bands b and d.V

Referring to Figs. 4'zand'5, showing a modication of the backing, the backing sheets a may be provided with metal reinforcing bands-b on one side only, and these 5 bands maybe formed with prongs or Aclips c specially for`fastening them tothe Vbacking sheets, and 'with other prongs fand f for receiving and holding longitudinalreinboth sides of the backing, such wires or. rods Aforcing wires or rods4 e on either side orfbeing applied to the sheets when they are` spread and secured to the framework. The backing thus-prepared is coated with cement on either or both sides, ashereinbefore enf` plained. .The prongs 'or clips c, are struck from the bands b out of line with the prongs or. clips f and f', as shown` in Fig. 4, invorder that theprongsc may be `bent fiat against the back of the lsheets lby rollsbet'ween which the bands are passed lengthl wise, without Hattening the hooked. prongs or clips f and f for holding the wires or rods e.

When the' backingis 'to -be coated on one side'only, the reinforcing rods or'wires ve and the prongsl or clips Vfor f therefor may n be omitted- -onthe oppositeside, and when the prongs ff passing through the backing are used, the-prongs c may be omitted, the prongs f serving alone to secure the bands bto the backing sheets as well as for holding the' reinforcing wiresv or rods e and for engagement with the cement coating.

' For use onbuildings 'covered with wood sheeting or having wood supports ysuiiiciently closeto one another, the wood structure lengthwise of its grain may be utilized as a reinforcement for the backing by placingthe metal reinforcing bands b and d or b .crosswise of the grain vand nailing As shown inFigsf and 7, the transverse.

reinforcing bands instead ofv being applied to the sheets a at right angles to their side edges, as shown in the other figures of the drawing, may be arranged obliqulely,

thereto and thus serve to brace and strengthen the backing and the Wall of which it forms a part, lengthwise as Well as crossWise 'of .the sheets. The bands' on each sheet may all be inclined in the same direction or disl posed parallel With one another, and in applying the backing to a building arranged at an angle to those of the adjoiningsheet or sheets, as 'shown in Fig. 6; or theymay be crossed, as. shown in Fig. 7. With -either arrangement they may be applied to one side onlyv or to 'both sides of the sheets, and secured thereto by prongs, in any of the Ways hereinbefore explained. As shown in' Fig. 6, the bands b are nailed at the ends to a girt along the lapped edges of the sheets and thus form a continuous reinforcementy -across vthe lap. Longitudinal reinforcing Wires or rods 'e' may be used with the obliquely disposed bands, Whichwould Ain that case be formed with hooked prongs or clips, as hereinbefore described, tov receive and hold such Wires or rods. The'construction of the backing With the obliquely disposed bands is such that the sheets can be readily rolled, as shown in Fig. 3. l

In the several forms of reinforced backing herein shown and described the prongs struck from the flat metal bandsand passing through the sheets to Which they are attached 'form shear resisting fastenings which prevent independent movement or slippage of the bands and sheets, the ,component parts of the backing thus making a unitary structure or integral Which, While comparatively thin and light, is at the same time stiff, strong and stable, even before the application thereto of a cementcoating.

Various changes other than those above mentioned, in minor details of construction and in the arrangement of component parts of the reinforced backing may be made, Without departure from the principle and scope of the invention, as defined in the appended claims. i

l claim: 1. A backing for cement coated Walls comprising a flexible sheet of fibrous material reinforced bv a number of independent approximately flat flexible metal bands spaced apart and adapted to engage -with and reinforce al cement coating, and metal prongs projecting from the metal strips and passed through the sheet of flexible material to form shear resisting fastenings attaching the bands directly, to the sheet material, said bands and sheet forming a substantially integral structure.y d

2'. A backing for cement coated Walls com-l prisinga flexible sheet of .fibrous material reinforced by approximately` fiat flexible metal bands, said bands having portions thereof struck-up and passed '-throughthe sheet of flexible material and bent laterally to form shear resisting fastenings attaching the bands directlyto the sheet material.

3. A backing for cement coated Wallscomprising a flexible sheet offibrous material, approximately flat flexible metal reinforcing bands spaced apart and having prongs ,projectingtherefrom and passed through the sheet material to form shear resisting fasteningsattaching the metal bands to the sheet, saidbands being formed at intervals with clips to .receive and holdreinforcing rods transversely to said bands.

4. Albacking'for cement coated Walls comprising a flexible sheet .of fibrous material, metal reinforcing bands arranged at inter- `vals in lpairs on opposite faces ofjsaid sheet,

one band of each pair having clips inserted through the intervening sheet and apertures inthe opposite band and securing the parts together. i

5. A backing for cement coated Walls comprising a flexible sheet of fibrous material, metal reinforcing bands secured in pairs t'o opposite faces of the sheet'at intervals by clips formed integrally With and passing from one band of each pair through the interveninff sheet and apertures in the opposite band, said clips'bem bent and adapted to receive and hold rein orcing rods transversely to the bands. l 6; backing for cement coated Walls comprising a flexible sheet of fibrous material and metal reinforcing' bands arranged in the sheet and securing t e bands in place thereon.

7. A. backing for cement coated Walls comprising lapped sheets of flexible fibrous material having metal reinforcing bands attached thereto at intervals transversely to 4the. horizontal lap between adjoining sheets, and a metal rod parallel With and adjacent to said lap, the adjacent ends of said bands of adjacent sheets being bent around said rod to hold it in place and to tie adjoining parts of the backing together.

" bands having portions thereof struck-up and' L 8. A backing forcement costed'fwalls comthe lap to form a continuous reinforcement 1v prising lapped exibie sheets having approxof the backinga'cross the 1:91p.` v lmately fiat Hexible metal reinforcing bands o In Witness whereof I h reto affix 'my sig- 'attachedthereto transversely to the Iap,said` Anature in presence of two Witnesses.

passed through the sheets to `form shear re- EDWIN D' CODDI-NGTON sisting fastenings attaching the bands li` Witnessest'z rectly to thesheets, the bands of adjoining CEAS. LsGos,

sheets being connected at their ends next to. ALICE E. Goss; 

